Image reading apparatus

Details Image reading apparatus Image reading apparatus

1989-04-04

1990-08-07

Coles, Jr., Edward L.

Facsimile and static presentation processing

Facsimile

Reduced time or bandwidth for static image communication

358461, 358456, 358464, H04M 140

Patent

active

049472674

ABSTRACT:
An image reading apparatus has a CCD sensor for scanning an original image and outputting an analog image signal, an A/D converter for converting the analog image signal output from the CCD sensor into multi-value data consisting of a plurality of bits in units of pixels, and a selector for changing the number of bits of the multi-value data output from the A/D converter.

REFERENCES:
patent: 4578718 (1986-03-01), Yamaguchi
patent: 4698688 (1987-10-01), Ochi et al.

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